Highway barrier



FIG. 1 is a perspective view;

FIG. 2 is a front view (the rear view being a mirror image of the front view);

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof. 

The ornamental design for a highway barrier, as shown and described. 